SN4 ""

No	Pattern	Freq
1	[conj] it might [adv] have	46
2	[subord] it might [adv] have	22
3	[coord] it might [adv] have	13
4	[that] it might [adv] have	11
5	that it might [adv] have	11
6	that it might [adv] have	11
7	than it might [adv] have	9
8	than it might [adv] have	9
9	but it might [adv] have	8
10	but it might [adv] have	8
11	[noun] it might [adv] have	7
12	[verb] it might [adv] have	7
13	it might [adv] [adv] have	9
14	it might as [adv] have	8
15	it might [conj] [adv] have	8
16	it might [subord] [adv] have	8
17	it might as [adv] have	8
18	it might [adv] [adv] have	6
19	it might [adv] [adv] have	9
20	it might [adv] [adv] have	9
21	it might [adv] have [been]	70
22	it might [adv] have be	70
23	it might [adv] have been	70
24	it might [adv] have [be]	70
25	it might [adv] have [vb pp]	50
26	it might [adv] have [verb]	50
27	it might [adv] have do	9
28	it might [adv] have done	9
29	it might [adv] have [art]	6
30	it might [adv] have [art]	6